Responses

OpenAI Responses API for agent orchestration with tool use, multi-turn conversations, and background processing.

List all responses.

List all responses.

Create a model response.

Create a model response.

Get a model response.

Get a model response.

Delete a response.

Delete a response.

List input items.

List input items.

Compact a conversation. [alpha]

**[alpha]** Compresses conversation history into a smaller representation while preserving context. This endpoint is in alpha and may change without notice.

Cancel a background response that is in progress.

Cancel a background response that is queued or in progress. Only responses created with background=true can be cancelled.